CVE-2026-104935
HIGHCISA KEVEPSS 100th pctlDescription
Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Remediation due: 2026-10-16
References
Related Vulnerabilities
Other CWE-290 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-4358 | Critical | 9.8 | 97% | KEV | - |
| CVE-2022-24112 | Critical | 9.8 | 96% | KEV | Fix |
| CVE-2022-23131 | Critical | 9.1 | 96% | KEV | - |
| CVE-2021-29441 | High | 8.6 | 83% | - | Fix |
| CVE-2019-1234 | High | 7.5 | 75% | - | - |
| CVE-2021-31195 | Medium | 6.5 | 74% | - | Fix |
Common questions
How do I fix CVE-2026-104935?
Upgrade connect secure to 25.1.3.0 or later.
Is CVE-2026-104935 being actively exploited?
Yes. CVE-2026-104935 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-10-16. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2026-104935?
CVE-2026-104935 has a CVSS v3 base score of 8.6, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2026-104935 affect?
Published advisories record a fix for connect secure (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2026-104935
Markdown
[](https://tridentstack.com/cve/CVE-2026-104935)HTML
<a href="https://tridentstack.com/cve/CVE-2026-104935"><img src="https://tridentstack.com/cve/badge/CVE-2026-104935.svg" alt="CVE-2026-104935"></a>This vulnerability is actively exploited in the wild
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-13.